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प्रश्न
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
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उत्तर
zooplankton
Zooplankton are herbivorous micro-organisms such as protozoa that are found in water bodies. They depend upon producers for food and hence are not producers.
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
List two main components of ecosystem?
What are planktons?
The following statement is true or false :
In biology, human beings are called producers.
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
Fill in the following blank with suitable word :
In nature, all green plants are............ whereas animals are consumers.
What is a trophic level?
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
Which of the following group of organisms are not constituents of a food chain?
- grass, lion, rabbit, wolf
- plankton, man, fish, grasshopper
- wolf, grass, snake, tiger
- frog, snake, eagle, grass, grasshopper
The following is a food chain that ends with human :
plants → bee → human
Explain how plants provide food for bees.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
Explain how harmful chemicals enter our bodies.
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
The ten per cent law is associated with
(a) transfer of energy from various trophic levels to decomposers in a food chain
(b) transfer of ATP energy into muscular energy
(c) transfer of chemical energy from one organism to another
(d) transfer of sun's energy to the organisms called producers.
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
Give some examples for Biodegradable and Non-biodegradable waste.
| S. No. | Biodegradable waste | Non-biodegradable waste |
| 1. | Food Waste | Plastic Bottles |
| 2. | ||
| 3. | ||
| 4. | ||
| 5. |
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
Differentiate between herbivores and carnivores.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
